Home / 10,712.92-16,069.38-2,921.68

Finding the Fourth Proportional to 10,712.92, 16,069.38 and 2,921.68

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Solution

The fourth proportional to 10,712.92, 16,069.38 and 2,921.68 is: 4,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.92 : 16,069.38 = 2,921.68 : x
  2. Step 2: Convert to fraction form
    10,712.92/16,069.38 = 2,921.68/x
  3. Step 3: Cross multiply
    10,712.92x = 16,069.38 × 2,921.68
  4. Step 4: Simplify right side
    10,712.92x = 46,949,586.16
  5. Step 5: Solve for x
    x = 46,949,586.16/10,712.92
  6. Step 6: Final answer
    x = 4,382.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.